Пример #1
0
        public async Task <ApiResult> AddSubmissionAsync(long contestId, long problemId, long userId, AddSubmissionViewModel addSubmission)
        {
            var contest = await _context.Contests.Include(c => c.Problems).ThenInclude(p => p.Submissions).Include(c => c.Enrollments).ThenInclude(e => e.Student).SingleOrDefaultAsync(c => c.Id == contestId);

            if (contest == null)
            {
                return new ApiResult {
                           Error = AddSubmissionResultType.ContestNotFound
                }
            }
            ;
            if (contest.ProgressState != ContestProgressState.InProgress)
            {
                return(new ApiResult {
                    Error = AddSubmissionResultType.Forbiddance
                });
            }

            var enrollment = contest.Enrollments.SingleOrDefault(e =>
                                                                 e.StudentId == addSubmission.StudentId && e.Student.UserId == userId);

            if (enrollment == null)
            {
                return new ApiResult {
                           Error = AddSubmissionResultType.Unauthorized
                }
            }
            ;

            var problem = contest.Problems.SingleOrDefault(p => p.Id == problemId && p.Id == addSubmission.ProblemId);

            if (problem == null)
            {
                return new ApiResult {
                           Error = AddSubmissionResultType.ProblemNotFound
                }
            }
            ;

            var submissions = problem.Submissions.Where(p => p.StudentId == addSubmission.StudentId).ToList();

            if (submissions.Count > 0)
            {
                foreach (var s in submissions)
                {
                    if (s.Type != SubmissionType.Binary)
                    {
                        continue;
                    }

                    var fileResult = await _fileService.DeleteFileAsync(s.Content);

                    switch (fileResult)
                    {
                    case DeleteFileResultType.Error:
                        return(new ApiResult {
                            Error = AddSubmissionResultType.Error
                        });

                    case DeleteFileResultType.Ok:
                        break;

                    default:
                        throw new ArgumentOutOfRangeException();
                    }
                }
                _context.RemoveRange(submissions);
            }

            var submission = _mapper.Map <AddSubmissionViewModel, SubmissionModel>(addSubmission);

            submission.CreateTime = DateTime.Now;

            if (submission.Type == SubmissionType.Binary)
            {
                var fileResult = await _fileService.AddFileAsync(addSubmission.File, userId);

                switch (fileResult.Error)
                {
                case AddFileResultType.Error:
                    return(new ApiResult {
                        Error = AddSubmissionResultType.Error
                    });

                case AddFileResultType.FileTooBig:
                    return(new ApiResult {
                        Error = AddSubmissionResultType.FileTooBig
                    });

                case AddFileResultType.Ok:
                    submission.Content = fileResult.Data;
                    break;

                default:
                    throw new ArgumentOutOfRangeException();
                }
            }

            await _context.Submissions.AddAsync(submission);

            await _context.SaveChangesAsync();

            return(new ApiResult {
                Error = AddSubmissionResultType.Ok
            });
        }
Пример #2
0
        public async Task <IActionResult> AddSubmissionAsync(long contestId, long problemId, [FromForm] AddSubmissionViewModel addSubmission)
        {
            var userId = _authService.GetUserIdFromRequest(Request.HttpContext.User.Claims);

            var result = await _submissionService.AddSubmissionAsync(contestId, problemId, userId, addSubmission);

            switch (result.Error)
            {
            case AddSubmissionResultType.Unauthorized:
                return(new ObjectResult(result)
                {
                    StatusCode = StatusCodes.Status401Unauthorized
                });

            case AddSubmissionResultType.Forbiddance:
                return(new ObjectResult(result)
                {
                    StatusCode = StatusCodes.Status403Forbidden
                });

            case AddSubmissionResultType.ContestNotFound:
                return(NotFound(result));

            case AddSubmissionResultType.ProblemNotFound:
                return(NotFound(result));

            case AddSubmissionResultType.FileTooBig:
                return(BadRequest(result));

            case AddSubmissionResultType.Wrong:
                return(new ObjectResult(result)
                {
                    StatusCode = StatusCodes.Status422UnprocessableEntity
                });

            case AddSubmissionResultType.Error:
                return(BadRequest(result));

            case AddSubmissionResultType.Ok:
                return(Ok(result));

            default:
                throw new ArgumentOutOfRangeException();
            }
        }